Home / 19,426.79-26,808.93-10,928.92

Finding the Fourth Proportional to 19,426.79, 26,808.93 and 10,928.92

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Solution

The fourth proportional to 19,426.79, 26,808.93 and 10,928.92 is: 15,081.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,426.79 : 26,808.93 = 10,928.92 : x
  2. Step 2: Convert to fraction form
    19,426.79/26,808.93 = 10,928.92/x
  3. Step 3: Cross multiply
    19,426.79x = 26,808.93 × 10,928.92
  4. Step 4: Simplify right side
    19,426.79x = 292,992,625.22
  5. Step 5: Solve for x
    x = 292,992,625.22/19,426.79
  6. Step 6: Final answer
    x = 15,081.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.